Study Guide on 1st Law, Types of Forces, Net Force, & Motion

Between what two times did the car travel the fastest?

• 0 to 5 minutes
• 5 to 10 minutes
• 10-15 minutes
• 15 to 30 minutes 

Tags

NGSS.MS-PS3-1

Which free body diagram shows a net force of 5 N, left?

• A
• B
• C
• D

Which free body diagram shows a net force of 0 N, no direction?

• A
• B
• C
• D

A plane moving at a rate of 345 km.h north has a different _______________ than a plane moving 345 km/h northwest.

• Speed
• Velocity
• Newton
• Rate

In order to be ___________________ forces, their effects must cancel each other out and not cause a change in an object's motion.

• Balanced
• Weak
• Strong
• Unbalanced

An object that has a greater mass also has _______________.

• equal weight
• greater inertia
• more speed
• less inertia

Which of the following explains the difference between speed and velocity? 

• One has motion, and the other does not
• One has direction, and the other does not
• One involves time, and the other does not
• One involves acceleration, and the other does not.

Which of the following is an example of unbalanced forces?

• A person pushing a shopping cart
• A boy asleep on a park bench
• A car stopped at a red light 
• A marker sitting on a desk

Tags

NGSS.MS-PS2-2

You can determine that the car is in motion by comparing it to the mailbox. What are you using the mailbox as in this example?

• Speed
• Motion
• Acceleration
• A reference point

When you are standing up in a subway train, and the train suddenly stops, your body continues to move forward. This is an example of 

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law